Japan, Oct. 5 -- KOORI SANGYO:KK has got intellectual property rights for 'ENLARGING BOTTOM EARTH BORING BUCKET, ADAPTER OF ENLARGING BOTTOM EARTH BORING BUCKET AND CONSTRUCTION METHOD OF BOTTOM ENLARGED HOLE.' Other related details are as follows:
Application Number: JP,2025-108021
Category (FI): E21B11/00@B
Stage: Grant (IP right granted following substantive examination.)
Filing Date: June 26, 2025
Publication Date: Aug. 22, 2025
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
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